Car-truck.



C1?. FREDE'.

ma muck.

APPLICATION FILED IAN-5.19m;- l 2769636 Patented Aug. 2O 1918 3 SHEETS-SHEET'- F, CAR TRUCK.

,wmcmorl FILED m15. 1918.

a SHEETSSHEET 2 C. F. FREDE CAR TRUCK.

APPLICATION FILED mm. 191s,

Mew

3 SHEETS-SHEET 3.

Patented Aug. 20, 1918.

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l/f nement-ing binelqets v i imi-ml milie henger?,

tien, en side twine "f tu? li ein@ iaine member 13 i we ties betwee' tcnf'l': side 'izinies ant intl nioyenientji plane 'L' n. ming,

e @zien which accommodate the ends HX f" .'l, i lug 3b, tne tenne nein@ mssing flowniyai'tily 1yitl respect to saitl si e en@ pGi'tionS et siele holster nie enel wils A 'the side meinbeis m' the enten ene-piece-A en enfle w3 wliieli 36, tlieV ,envisions the side' t which depend freni anni; in @rings BTA iieiinecl en tlie Centex bol- 36 and 'pei'tiong oi" tlie Side 1 e the tinel the end 3'9 te pioiiitle peints i nuel lnzilte. neng;-

ystiefe as points ei: attachtlie t0n of the central l seni/es n -Llt which Siippeit :tei the feet-an C Yinttifsfn neeinloeelia med integral with tlie Cential '90teifle frames All and en'tlie inae inwafdly projecting bind;- et' attach'- i tilei'ee;

et l, saine sewing as peints nient im tie upper encls et hangers wliicii'lattei support the brake beams foi* the ineidewlieels of the truck.

A eai tiuel of my impiiovecl construction eoinbai'atively simple, een be easily assembled ei teken apet, thereby greatly facilitating repairs and by mountingl the Cenfbei' bolster diieetiy upon swings which are emietl by lie tiuek Side trames and utilizing tw@ pairs et Side trainee mi: the teun G. z trl),

of the iraniens pants o my' inipieyed ein t'fuelt een be mede and substituted for tliose lie-fein sliewn and deselieecl, Without depart ing *treni tlie spirit et my invention, the scope et" which is Set izoitli claims.

l elaiin:

l. lna ear truck, two pains nf Wheel cai'- iying' aXleS.i e pain et sepamtely formed enfl ineependently acting truck side frames for euch nei? of nxle, spi-ings suppetecl by Seial tinel; Asidetianiee incl u center bolstei snppoitecl by Said spinge.

ln n cui' tinck, two peii's O Wheel cuii'ying aldea :i "pair et separately oilnecl and independently acting' each pini' et axles, and e. Center bolster yiel l ingly supported by Said truck Side trainee.

ln :i enr truck, two paire @if Wheel czliiying axles, a pair oir' seperately 'formed and imlepenflently acting truck side 'i'ini'es for ezieli paiief'azzlesn and e center bolster yield ing'iy supporte@ by eziitl t'i'iicli Side fra-nies, said eentei1 bolster and side 'frames cnnneetecl and guide for i'elntiVe-yeitiezil inevenient.

En a Cai ti'uek, two pains of Wheel emi'ying axles, a peii of independently acting ti'uel sicle frames 011 e-:Leli pail' of axles, a eentei bolstei1 yieldingfly snppoftetl by saidtmck Side frames, 23nd. lnilieu hanger bracket-S on Said sicle ffies.

En a eat truck, twepeirs of axles, jonrloenes oi Seial axles, seid journal botes two pains oit axles, geni'- sepnifately fei'nned and in the appencleel truck side frames tot being l in pziiis by Separately.

nell belles 'Een Said miles, said journal boxes 'in pairs by sepamtely being intlepeniently acting tinel; en

Connected imacat frames, a center bolster yieldingly supported upon said truck side frames, and brake hanger brackets on said truck side frames.

7. In a car truck, two pairs of Wheel carrying axles, a pair of separately formed and independently acting truck side frames for each pair of axles, journal boxes associated with saidtruck side frames, and a center bolster yieldingly supported upon said side frames.

8. In a car truck, two pairs of Wheel carrying axles, a pair of separately formed and independently truck side frames for each pair of axles, journal --boxes associated with said truck side frames, and a center bolster yieldingly supported upon said side frames, said side frames and center bolster being connected and guided for relative vertical movement.

9. In a car truck, two pairs of wheel carrying axles, a pair of separately formed 'and independently acting truck side frames for each pair of axles, journal boxes associated with said truck side frames, a center bolster yieldingly supported upon said side frames, said side frames and center bolster being connected and guided rfor relative vertical movement, and brake hanger brackets on said side trames.-

10. In a car truck, the combination with four Wheel carrying axles, of two pairsidf separately formed and independently acting,

truck side frames associated with said axles, anda center bolster yieldingly supported by said side frames.

11. In a car truck, the combination with four wheel carrying axles, of two pairs of truck side frames associated with said axles, springs onsaid side frames, and a center bolster supported by saidfsprings.

12. Ina car truck, the combination with four Wheel carrying axles, of four separately formed and independently acting truck side frames associated with said axles, a pair of journal boxes associated with each truck frame, and a center bolster yieldingly supported by said side frames.

' 13. In a car truck, the combination with four wheel carrying axles, of four truck side frames associated with said axles, a pair of journal boxes associated with each truck frame, a center bolster, and compression springs interposed between said bolster and side frames.

14. 'In a car truck, the combination with four wheel carrying axles, of four truck side frames associated with said axles, a pair of journal boxes associated with each truck frame, a center bolster, compression springs interposed between said bolster and side frames, and brake hanger brackets on said side frames.

15. in a cartruck four wheel carrying axles, :tour separately formed and independently acting side frames associated with said axles, and a center bolster yieldingly supported by said side frames.

16. In a car truck four wheel carrying axles, four separately formed and independently acting side frames associated With said axles, a center bolster yieldingly supported by said side frames, and brake hanger supporting brackets on said side frames.

17. The hereindescribed car truck coniprising a pair of four wheel trucks, each of which includes a pair of wheel carrying axles, and a pair of separately formed and `independently acting side frames, and a center bolster yieldingly supported by said pair of trucks.

In testimony whereof I hereunto affix my signature this 26th day of December, 1917:

CHARLES F. FREDE. 

